Sennett is located in Cayuga county New york with a geographic area of square miles. The total population in Sennett is 3,400 with 49.6% male and 50.4% female. Children under age 5 represent 2.5% of the population, under age 18 equal 18.3% of the population and over age 65 is 23.4% of the population. The median household income is $84,330, per capita income is $38,098. There are a total of 1,257 housing units with 91.7% owner occupied. Education includes 29.0% of residents that are high school graduates and 37.8% with a bachelor's degree or higher. The average temperature in Sennett in the summer is 70 degrees, and in the winter 27 degrees.